#!/usr/bin/env bash

IP_PATTERN="\(\([1-9]\?[0-9]\|1[0-9]\{2\}\|2[0-4][0-9]\|25[0-5]\)\.\)\{3\}\(\([1-9]\?[0-9]\|1[0-9]\{2\}\|2[0-4][0-9]\|25[0-5]\)\)"  
